### Some Recent Lectures

The second boundary value problem for a discrete Monge-Ampere equation (with symmetrization)
Chair of Numerical Analysis, Jena November 2019, ''The future of structure-preserving algorithms''
Edinburgh October 2019 and the Workshop on Monge-Ampere equations: in celebration of Professor John
Urbas's 60th birthday, Kiama, Australia, August 2019.
Computational geometric optics: Monge-Ampere,
Seminar at the Isaac Newton Institute, Cambridge UK, August 2019.